Pet King

I heard someone knock on the door, and the others in the store turned their heads subconsciously and looked at the door.

Coincidentally, another person came to know.

Wu Wudian stood at the door and looked into the probe. Another old man of similar age was riding an electric car and waiting on the sidewalk.

"Lao Wu, isn't it here?" The latter asked with a loud voice, his voice high.

Because the outside was bright and the inside was dark, Wu Dian narrowed his eyes and swept across the faces of the people, his eyes fell on Zhang Zi'an's body, and he said in amazement, "Hey, is the young man you?"

"Master Wu, you are here, come in quickly ... are your friends outside?" Zhang Zi'an greeted him.

Wu Wudian hesitated and nodded: "It is also a retired employee of our factory. His surname is Zhao and he is a welder."

Then he beckoned at the man outside, "Come in. Lock the car so that no one can steal it."

Zhao Welder is a thin old man. His teeth are black and yellow because of smoking for many years. He entered the door with a strong smell of smoke. When he came in, he shouted, "Here? Lao Wu, are you kidding? This is not a A newly opened shop? You have n’t found a thing yet, look at this thing! Go and find an old shop. I ca n’t believe the new shop, maybe it will close in a few days! ”

I said, he went to pull Wu Dian.

电工 Wu Dian also hesitated, but Zhang Zi'an once helped him make a siege at the fish market, and he was ashamed to leave.

"Master Zhao, right? I totally agree with what you said. However, my store has been operating on this street for more than ten years, and it is not a new store!" Zhang Zi'an interjected.

"Not a new store?" Zhao Welder sneered, pointing his finger at the wall and floor. "This freshly painted latex paint hasn't completely dissipated yet. It hasn't been renovated for more than a month. You tell me it's not a new store?"

"Hello eyesight! You can see this! This store is indeed new, but the store next to it is mine too. It has been operating on this street for more than ten years. If you don't believe it, you can go and ask about it."

Zhang Zi'an understands the idea that the other party is looking for the old store. Even the universal Taobao everyone wants to find the old store with high sales volume. Just rest assured that everyone has to hang out ...

焊 Zhao Welder went out doubtfully, and then came back a moment later, nodded and said, "That's OK, I'm wrong."

No one in the pet shop has been watching. Zhang Zi'an sent Lu Yiyun back to the shop and asked, "Master Wu, are you here to see the 24V heating rod?"

电工 Wu Dian nodded, and he could not help looking at the aquatic creatures brought back to Zhang Zi'an.

看看 "Look at the heating rod, and look at the fish by the way," he said.

Zhao Welder complained disapprovingly: "Lao Wu, I said you do n’t spend the wrong money. Is n’t a heating rod of 20 or 30 yuan the same? A heating rod of several hundred yuan can raise better fish. ? I don't believe it! "

Wu Dian waved his hand helplessly, "Lao Zhao, don't persuade me about this. I made up my mind. It doesn't matter if you persuade. The problem is not fish but safety. You are not an electrician and don't know how dangerous electricity is. "

It seems that before they came, Zhao Welder had persuaded him more than once, but he was determined to buy a safer heating rod and rejected Zhao Welder.

"You talk about you ... the older you get, the more you get!" Zhao Welder hated him and pointed at him.

干 Wang Qian and Li Kun have a great opinion on Zhao Welder. You and Master Wu are not the same family. They have eaten your rice, or are they using your electricity? Is it guilty of being so wide? Persuade again, the other party will not even listen to it, why die persuasion.

Before contacting high-end aquarium equipment, Zhang Zi'an didn't think how good the high-end equipment was, but after real contact, he understood that one cent is one cent and two cents are two cents, but two cents is one cent. The goods are much more upscale, and you can't accept them.

He brought Wu Dian a 24 volt heating rod imported from Germany. "Master Wu, take your time and try it on site."

Wu Dian said with a little embarrassment: "Without telling you, I really brought a multimeter ..."

He took out the multimeter from his shoulder bag. He didn't bring it when he went to the fish market last time, and this time he got a heart.

"It doesn't matter, you can try it. There is prepared artificial seawater. The conductivity of natural seawater should be about the same." Zhang Zi'an pointed to a drainage bucket placed at the corner. These artificial seawaters were directed by Wang Qian and Li Kun. Yes, just wait for today ’s aquarium to be in place. After teaching it once, they will do it next time.

"Oh, artificial seawater." Zhao Welder said dismissively: "A few steps away from the sea, what artificial seawater is still set up? It is purely burned with more money."

Zhang Zi'an retorted calmly: "It cannot be said that the natural seawater near the shore will inevitably be polluted. Especially near the city, it is only necessary to raise ordinary hand-trained fish. It is better to cooperate with artificial seawater. It's too distressing to die. "

Wu Dian was very interested in hearing the words. He used to pull back the natural seawater from the beach in order to save money, but now he feels that the practising fish can't satisfy himself and is ready to raise some fine fish.

"How do artificial seawater match?" He asked.

"The salinity of natural seawater is 34% -35%. Prepare artificial sea salt and fresh water. Then buy an ordinary hydrometer, and adjust the temperature-salinity-density meter attached to the hydrometer." Zhang Zi'an simply explained Once again, he raised his finger to the buckets in the corner and emphasized, "But there are some things you need to pay attention to, that is, do not use metal containers when preparing artificial seawater ~ www.readwn.com ~ iron, aluminum, copper or whatever."

"Because seawater corrodes metals?" Wu Dianwu realized.

"One is because of this, and the other is that after the metal is corroded, a lot of metal ions will enter your artificial seawater. The pollution of natural seawater may not be so heavy ... You see, I use the cheapest plastic in the supermarket. Barrel. "Zhang Zi'an signaled.

Wu Dian took a deep breath, "If you don't say, I might have taken the iron bucket at home, because it's strong after all ..."

"Do you have artificial sea salt here? How much is it?" He asked with interest.

Zhang Zi'an replied, "There are both high-end and low-end, depending on which one you want."

"What's the difference between high-end and low-end?" Wu Dian asked again.

Zhang Zi'an brought two bags of sea salt for comparison. "The main ingredients of sea salt are sodium chloride, magnesium sulfate, and potassium chloride. These account for 90%. The remaining 10% are trace elements. The difference between high and low grades is here. There are more than 20 kinds of trace elements in sea salt, and more than 40 kinds in high-end. If you only raise fish, you can buy low-end ones, there is no need to waste money. But if you still raise corals and anemones, there are not enough trace elements. Their colors are not bright. "

Wang Wanggan, Li Kun, and Jiang Feifei heard God and felt a lot of insight. ...

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